Dave Thomas Director John Travolta Travis Actor Arye Gross Wendell Actor Kelly Preston Bonnie Actor Deborah Foreman Jill Actor James Keach Yuri Actor, Producer Charles Martin Smith Mr. Smith Actor Jan Rubes Illyich Actor Brian Doyle-Murray Mr. Jones Actor Mimi Maynard Betty Smith Actor Eve Brent Aunt Thelma Actor Rick Ducommun Sparks Actor Steve Levitt Gil Actor Nick Thiel Screenwriter Steven Greene Screenwriter Eric Alter Screenwriter Jack Grossberg Executive Producer Jonathan D. Krane Executive Producer Ronnie Taylor Cinematographer Bud Molin Film Editing Marvin Hamlisch Original Music David Fischer Production Design Kim MacKenzie Set Decoration Rosanna Norton Costume Design Marci Liroff Casting